Example usage for java.net HttpURLConnection setRequestMethod

List of usage examples for java.net HttpURLConnection setRequestMethod

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Introduction

In this page you can find the example usage for java.net HttpURLConnection setRequestMethod.

Prototype

public void setRequestMethod(String method) throws ProtocolException

Source Link

Document

Set the method for the URL request, one of:
  • GET
  • POST
  • HEAD
  • OPTIONS
  • PUT
  • DELETE
  • TRACE
are legal, subject to protocol restrictions.

Usage

From source file:com.roadwarrior.vtiger.client.NetworkUtilities.java

/**
 * Connects to the  server, authenticates the provided username and
 * password.// www . j  ava 2 s.c  o m
 * 
 * @param username The user's username
 * @param password The user's password
 * @return String The authentication token returned by the server (or null)
 */
public static String authenticate(String username, String accessKey, String base_url) {
    String token = null;
    String hash = null;
    authenticate_log_text = "authenticate()\n";
    AUTH_URI = base_url + "/webservice.php";
    authenticate_log_text = authenticate_log_text + "url: " + AUTH_URI + "?operation=getchallenge&username="
            + username + "\n";

    Log.d(TAG, "AUTH_URI : ");
    Log.d(TAG, AUTH_URI + "?operation=getchallenge&username=" + username);
    // =========== get challenge token ==============================
    ArrayList<NameValuePair> params = new ArrayList<NameValuePair>();
    try {

        URL url;

        // HTTP GET REQUEST
        url = new URL(AUTH_URI + "?operation=getchallenge&username=" + username);
        HttpURLConnection con;
        con = (HttpURLConnection) url.openConnection();
        con.setRequestMethod("GET");
        con.setRequestProperty("Content-length", "0");
        con.setUseCaches(false);
        // for some site that redirects based on user agent
        con.setInstanceFollowRedirects(true);
        con.setRequestProperty("User-Agent",
                "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; en-US; rv:1.9.0.15) Gecko/2009101600 Firefox/3.0.15");
        con.setAllowUserInteraction(false);
        int timeout = 20000;
        con.setConnectTimeout(timeout);
        con.setReadTimeout(timeout);
        con.connect();
        int status = con.getResponseCode();

        authenticate_log_text = authenticate_log_text + "Request status = " + status + "\n";
        switch (status) {
        case 200:
        case 201:
        case 302:
            BufferedReader br = new BufferedReader(new InputStreamReader(con.getInputStream()));
            StringBuilder sb = new StringBuilder();
            String line;
            while ((line = br.readLine()) != null) {
                sb.append(line + "\n");
            }
            br.close();
            Log.d(TAG, "message body");
            Log.d(TAG, sb.toString());

            authenticate_log_text = authenticate_log_text + "body : " + sb.toString();
            if (status == 302) {
                authenticate_log_text = sb.toString();
                return null;
            }

            JSONObject result = new JSONObject(sb.toString());
            Log.d(TAG, result.getString("result"));
            JSONObject data = new JSONObject(result.getString("result"));
            token = data.getString("token");
            break;
        case 401:
            Log.e(TAG, "Server auth error: ");// + readResponse(con.getErrorStream()));
            authenticate_log_text = authenticate_log_text + "Server auth error";
            return null;
        default:
            Log.e(TAG, "connection status code " + status);// + readResponse(con.getErrorStream()));
            authenticate_log_text = authenticate_log_text + "connection status code :" + status;
            return null;
        }

    } catch (ClientProtocolException e) {
        Log.i(TAG, "getchallenge:http protocol error");
        Log.e(TAG, e.getMessage());
        authenticate_log_text = authenticate_log_text + "ClientProtocolException :" + e.getMessage() + "\n";
        return null;
    } catch (IOException e) {
        Log.e(TAG, "getchallenge: IO Exception");
        Log.e(TAG, e.getMessage());
        Log.e(TAG, AUTH_URI + "?operation=getchallenge&username=" + username);
        authenticate_log_text = authenticate_log_text + "getchallenge: IO Exception : " + e.getMessage() + "\n";
        return null;

    } catch (JSONException e) {
        Log.i(TAG, "json exception");
        authenticate_log_text = authenticate_log_text + "JSon exception\n";

        // TODO Auto-generated catch block
        e.printStackTrace();
        return null;
    }

    // ================= login ==================

    try {
        MessageDigest m = MessageDigest.getInstance("MD5");
        m.update(token.getBytes());
        m.update(accessKey.getBytes());
        hash = new BigInteger(1, m.digest()).toString(16);
        Log.i(TAG, "hash");
        Log.i(TAG, hash);
    } catch (NoSuchAlgorithmException e) {
        authenticate_log_text = authenticate_log_text + "MD5 => no such algorithm\n";
        e.printStackTrace();
    }

    try {
        String charset;
        charset = "utf-8";
        String query = String.format("operation=login&username=%s&accessKey=%s",
                URLEncoder.encode(username, charset), URLEncoder.encode(hash, charset));
        authenticate_log_text = authenticate_log_text + "login()\n";
        URLConnection connection = new URL(AUTH_URI).openConnection();
        connection.setDoOutput(true); // Triggers POST.
        int timeout = 20000;
        connection.setConnectTimeout(timeout);
        connection.setReadTimeout(timeout);
        connection.setAllowUserInteraction(false);
        connection.setRequestProperty("Accept-Charset", charset);
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=" + charset);
        connection.setUseCaches(false);

        OutputStream output = connection.getOutputStream();
        try {
            output.write(query.getBytes(charset));
        } finally {
            try {
                output.close();
            } catch (IOException logOrIgnore) {

            }
        }
        Log.d(TAG, "Query written");
        BufferedReader br = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        StringBuilder sb = new StringBuilder();
        String line;
        while ((line = br.readLine()) != null) {
            sb.append(line + "\n");
        }
        br.close();
        Log.d(TAG, "message post body");
        Log.d(TAG, sb.toString());
        authenticate_log_text = authenticate_log_text + "post message body :" + sb.toString() + "\n";
        JSONObject result = new JSONObject(sb.toString());

        String success = result.getString("success");
        Log.i(TAG, success);

        if (success == "true") {
            Log.i(TAG, result.getString("result"));
            Log.i(TAG, "sucesssfully logged  in is");
            JSONObject data = new JSONObject(result.getString("result"));
            sessionName = data.getString("sessionName");

            Log.i(TAG, sessionName);
            authenticate_log_text = authenticate_log_text + "successfully logged in\n";
            return token;
        } else {
            // success is false, retrieve error
            JSONObject data = new JSONObject(result.getString("error"));
            authenticate_log_text = "can not login :\n" + data.toString();

            return null;
        }
        //token = data.getString("token");
        //Log.i(TAG,token);
    } catch (ClientProtocolException e) {
        Log.d(TAG, "login: http protocol error");
        Log.d(TAG, e.getMessage());
        authenticate_log_text = authenticate_log_text + "HTTP Protocol error \n";
        authenticate_log_text = authenticate_log_text + e.getMessage() + "\n";
    } catch (IOException e) {
        Log.d(TAG, "login: IO Exception");
        Log.d(TAG, e.getMessage());

        authenticate_log_text = authenticate_log_text + "login: IO Exception \n";
        authenticate_log_text = authenticate_log_text + e.getMessage() + "\n";

    } catch (JSONException e) {
        Log.d(TAG, "JSON exception");
        // TODO Auto-generated catch block
        authenticate_log_text = authenticate_log_text + "JSON exception ";
        authenticate_log_text = authenticate_log_text + e.getMessage();
        e.printStackTrace();
    }
    return null;
    // ========================================================================

}

From source file:fr.gael.dhus.service.ProductService.java

private static void wcsDeleteCoverage(String coverageId) throws IOException {
    String GET_URL = "http://localhost:8080/rasdaman/ows?SERVICE=WCS&VERSION=2.0.1&request=DeleteCoverage&coverageId="
            + coverageId;/*from   w  w  w  . j a  v  a  2 s .  com*/
    String USER_AGENT = "Mozilla/5.0";
    URL obj = new URL(GET_URL);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();
    con.setRequestMethod("GET");
    con.setRequestProperty("User-Agent", USER_AGENT);
    int responseCode = con.getResponseCode();
    if (responseCode == HttpURLConnection.HTTP_OK)
        logger.info("Successfully deleted coverage with id " + coverageId);
    else
        logger.error("NoSuchCoverage");
}

From source file:fr.gael.dhus.service.ProductService.java

private static void wmsDeleteLayer(String coverageId) throws IOException {
    String GET_URL = "http://localhost:8080/rasdaman/ows?service=WMS&version=1.3.0&request=DeleteLayer&layer="
            + coverageId;// w w  w.  j  a  v  a  2  s.  c  om
    String USER_AGENT = "Mozilla/5.0";
    URL obj = new URL(GET_URL);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();
    con.setRequestMethod("GET");
    con.setRequestProperty("User-Agent", USER_AGENT);
    int responseCode = con.getResponseCode();
    if (responseCode == HttpURLConnection.HTTP_OK)
        logger.info("Successfully deleted layer with id " + coverageId);
    else
        logger.error("NoSuchLayer");
}

From source file:com.example.igorklimov.popularmoviesdemo.helpers.Utility.java

public static String getJsonResponse(String s) {
    HttpURLConnection connection = null;
    InputStream input = null;//from w w  w.j a  va  2  s  . c  o  m
    BufferedReader reader = null;
    String JsonResponse = null;

    try {
        URL url = new URL(s);
        Log.d("TAG", url.toString());
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("GET");
        connection.connect();
        input = connection.getInputStream();
        StringBuilder builder = new StringBuilder();

        if (input != null) {
            reader = new BufferedReader(new InputStreamReader(input));
            String line;

            while ((line = reader.readLine()) != null) {
                builder.append(line).append("\n");
            }
            JsonResponse = builder.toString();
        }
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        if (input != null) {
            try {
                input.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return JsonResponse;
}

From source file:com.meetingninja.csse.database.UserDatabaseAdapter.java

public static String login(String email, String pass) throws IOException {
    // Server URL setup
    String _url = getBaseUri().appendPath("Login").build().toString();
    // Establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.POST);
    addRequestHeader(conn, true);//from w w  w . j ava  2  s.c o m

    // prepare POST payload
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);
    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);

    try {
        // hash the password
        pass = Utilities.computeHash(pass);
    } catch (NoSuchAlgorithmException e) {
        Log.e(TAG, e.getLocalizedMessage());
    }
    // Build JSON Object
    jgen.writeStartObject();
    jgen.writeStringField(Keys.User.EMAIL, email);
    jgen.writeStringField("password", pass);
    jgen.writeEndObject();
    jgen.close();

    // Get JSON Object payload from print stream
    String payload = json.toString("UTF8");
    ps.close();

    // Send payload
    int responseCode = sendPostPayload(conn, payload);
    String response = getServerResponse(conn);

    /*
     * result should get valid={"userID":"##"}
     * invalid={"errorID":"3","errorMessage":"invalid username or password"}
     */
    String result = "";
    if (!response.isEmpty()) {
        JsonNode tree = MAPPER.readTree(response);
        if (!tree.has(Keys.User.ID)) {
            logError(TAG, tree);
            result = "invalid username or password";
        } else
            result = tree.get(Keys.User.ID).asText();
    }

    conn.disconnect();
    return result;

}

From source file:com.meetingninja.csse.database.UserDatabaseAdapter.java

/**
 * Registers a passed in User and returns that user with an assigned UserID
 *
 * @param registerMe/*from w ww  .  j a  v a2  s .c  o  m*/
 * @param password
 * @return the passed-in user with an assigned ID by the server
 * @throws Exception
 */
public static User register(User registerMe, String password) throws Exception {
    // Server URL setup
    String _url = getBaseUri().build().toString();

    // Establish connection
    URL url = new URL(_url);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();

    // add request header
    conn.setRequestMethod(IRequest.POST);
    addRequestHeader(conn, true);

    // prepare POST payload
    ByteArrayOutputStream json = new ByteArrayOutputStream();
    // this type of print stream allows us to get a string easily
    PrintStream ps = new PrintStream(json);
    // Create a generator to build the JSON string
    JsonGenerator jgen = JFACTORY.createGenerator(ps, JsonEncoding.UTF8);

    password = Utilities.computeHash(password);
    // Build JSON Object
    jgen.writeStartObject();
    jgen.writeStringField(Keys.User.NAME, registerMe.getDisplayName());
    jgen.writeStringField("password", password);
    jgen.writeStringField(Keys.User.EMAIL, registerMe.getEmail());
    jgen.writeStringField(Keys.User.PHONE, registerMe.getPhone());
    jgen.writeStringField(Keys.User.COMPANY, registerMe.getCompany());
    jgen.writeStringField(Keys.User.TITLE, registerMe.getTitle());
    jgen.writeStringField(Keys.User.LOCATION, registerMe.getLocation());
    jgen.writeEndObject();
    jgen.close();

    // Get JSON Object payload from print stream
    String payload = json.toString("UTF8");
    ps.close();

    // Send payload
    int responseCode = sendPostPayload(conn, payload);
    String response = getServerResponse(conn);

    User createUser = new User(registerMe);

    /*
     * result should get valid={"userID":"##"}
     */
    String result = "";
    if (!response.isEmpty()) {
        JsonNode tree = MAPPER.readTree(response);
        if (!tree.has(Keys.User.ID)) {

            result = "duplicate email or username";
        } else {
            result = tree.get(Keys.User.ID).asText();
            createUser.setID(result);
        }
    }

    conn.disconnect();
    return createUser;
}

From source file:com.memetix.mst.MicrosoftTranslatorAPI.java

/**
 * Forms an HTTP request, sends it using GET method and returns the result of the request as a String.
 * //from   w ww.  j a va2 s.  c o  m
 * @param url The URL to query for a String response.
 * @return The translated String.
 * @throws Exception on error.
 */
private static String retrieveResponse(final URL url) throws Exception {
    if (clientId != null && clientSecret != null && System.currentTimeMillis() > tokenExpiration) {
        String tokenJson = getToken(clientId, clientSecret);
        Integer expiresIn = Integer
                .parseInt((String) ((JSONObject) JSONValue.parse(tokenJson)).get("expires_in"));
        tokenExpiration = System.currentTimeMillis() + ((expiresIn * 1000) - 1);
        token = "Bearer " + (String) ((JSONObject) JSONValue.parse(tokenJson)).get("access_token");
    }
    final HttpURLConnection uc = (HttpURLConnection) url.openConnection();
    if (referrer != null)
        uc.setRequestProperty("referer", referrer);
    uc.setRequestProperty("Content-Type", contentType + "; charset=" + ENCODING);
    uc.setRequestProperty("Accept-Charset", ENCODING);
    if (token != null) {
        uc.setRequestProperty("Authorization", token);
    }
    uc.setRequestMethod("GET");
    uc.setDoOutput(true);

    try {
        final int responseCode = uc.getResponseCode();
        final String result = inputStreamToString(uc.getInputStream());
        if (responseCode != 200) {
            throw new Exception("Error from Microsoft Translator API: " + result);
        }
        return result;
    } finally {
        if (uc != null) {
            uc.disconnect();
        }
    }
}

From source file:net.nym.library.http.UploadImagesRequest.java

/**
 * ???/*from   w  w  w . ja  v a  2 s  . c  om*/
 *
 * @param url
 *            Service net address
 * @param params
 *            text content
 * @param files
 *            pictures
 * @return String result of Service response
 * @throws java.io.IOException
 */
public static String postFile(String url, Map<String, Object> params, Map<String, File> files)
        throws IOException {
    String result = "";
    String BOUNDARY = UUID.randomUUID().toString();
    String PREFIX = "--", LINEND = "\r\n";
    String MULTIPART_FROM_DATA = "multipart/form-data";
    String CHARSET = "UTF-8";

    StringBuilder sb = new StringBuilder("?");
    for (Map.Entry<String, Object> entry : params.entrySet()) {
        //                sb.append(PREFIX);
        //                sb.append(BOUNDARY);
        //                sb.append(LINEND);
        //                sb.append("Content-Disposition: form-data; name=\""
        //                        + entry.getKey() + "\"" + LINEND);
        //                sb.append("Content-Type: text/plain; charset=" + CHARSET
        //                        + LINEND);
        //                sb.append("Content-Transfer-Encoding: 8bit" + LINEND);
        //                sb.append(LINEND);
        //                sb.append(entry.getValue());
        //                sb.append(LINEND);
        //                String key = entry.getKey();
        //                sb.append("&");
        //                sb.append(key).append("=").append(params.get(key));
        //                Log.i("%s=%s",key,params.get(key).toString());
        sb.append(entry.getKey()).append("=").append(NetUtil.URLEncode(entry.getValue().toString()))
                .append("&");
    }
    sb.deleteCharAt(sb.length() - 1);
    URL uri = new URL(url + sb.toString());
    HttpURLConnection conn = (HttpURLConnection) uri.openConnection();
    conn.setConnectTimeout(50000);
    conn.setDoInput(true);// ?
    conn.setDoOutput(true);// ?
    conn.setUseCaches(false); // ??
    conn.setRequestMethod("POST");
    conn.setRequestProperty("connection", "keep-alive");
    conn.setRequestProperty("Charsert", "UTF-8");
    conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY);
    // ?
    //            StringBuilder sb = new StringBuilder();
    //            for (Map.Entry<String, Object> entry : params.entrySet()) {
    ////                sb.append(PREFIX);
    ////                sb.append(BOUNDARY);
    ////                sb.append(LINEND);
    ////                sb.append("Content-Disposition: form-data; name=\""
    ////                        + entry.getKey() + "\"" + LINEND);
    ////                sb.append("Content-Type: text/plain; charset=" + CHARSET
    ////                        + LINEND);
    ////                sb.append("Content-Transfer-Encoding: 8bit" + LINEND);
    ////                sb.append(LINEND);
    ////                sb.append(entry.getValue());
    ////                sb.append(LINEND);
    //                String key = entry.getKey();
    //                sb.append("&");
    //                sb.append(key).append("=").append(params.get(key));
    //                Log.i("%s=%s",key,params.get(key).toString());
    //            }

    DataOutputStream outStream = new DataOutputStream(conn.getOutputStream());
    //            outStream.write(sb.toString().getBytes());
    // ?
    if (files != null) {
        for (Map.Entry<String, File> file : files.entrySet()) {
            StringBuilder sbFile = new StringBuilder();
            sbFile.append(PREFIX);
            sbFile.append(BOUNDARY);
            sbFile.append(LINEND);
            /**
             * ?? name???key ?key ??
             * filename?????? :abc.png
             */
            sbFile.append("Content-Disposition: form-data; name=\"" + file.getKey() + "\"; filename=\""
                    + file.getValue().getName() + "\"" + LINEND);
            sbFile.append("Content-Type: application/octet-stream; charset=" + CHARSET + LINEND);
            sbFile.append(LINEND);
            Log.i(sbFile.toString());
            outStream.write(sbFile.toString().getBytes());

            InputStream is = new FileInputStream(file.getValue());
            byte[] buffer = new byte[1024];
            int len = 0;
            while ((len = is.read(buffer)) != -1) {
                outStream.write(buffer, 0, len);
            }
            is.close();
            outStream.write(LINEND.getBytes());
        }
        // ?
        byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes();
        outStream.write(end_data);
    }

    outStream.flush();
    // ??
    int res = conn.getResponseCode();
    InputStream in = conn.getInputStream();
    StringBuilder sbResult = new StringBuilder();
    if (res == 200) {
        int ch;
        while ((ch = in.read()) != -1) {
            sbResult.append((char) ch);
        }
    }
    result = sbResult.toString();
    outStream.close();
    conn.disconnect();
    return result;
}

From source file:com.screenslicer.common.CommonUtil.java

public static void setMethod(HttpURLConnection httpURLConnection, String method) {
    try {// w w w  .j  a va2  s  .  c o m
        httpURLConnection.setRequestMethod(method);
        // Check whether we are running on a buggy JRE
    } catch (final ProtocolException pe) {
        Class<?> connectionClass = httpURLConnection.getClass();
        Field delegateField = null;
        try {
            delegateField = connectionClass.getDeclaredField("delegate");
            delegateField.setAccessible(true);
            HttpURLConnection delegateConnection = (HttpURLConnection) delegateField.get(httpURLConnection);
            setMethod(delegateConnection, method);
        } catch (NoSuchFieldException e) {
            // Ignore for now, keep going
        } catch (IllegalArgumentException e) {
            throw new RuntimeException(e);
        } catch (IllegalAccessException e) {
            throw new RuntimeException(e);
        }
        try {
            Field methodField;
            while (connectionClass != null) {
                try {
                    methodField = connectionClass.getDeclaredField("method");
                } catch (NoSuchFieldException e) {
                    connectionClass = connectionClass.getSuperclass();
                    continue;
                }
                methodField.setAccessible(true);
                methodField.set(httpURLConnection, method);
                break;
            }
        } catch (final Exception e) {
            throw new RuntimeException(e);
        }
    }
}

From source file:edu.jhu.cvrg.waveform.utility.WebServiceUtility.java

public static Map<String, String> annotationJSONLookup(String restURL, String... key) {

    Map<String, String> ret = null;
    URL url;/*from   ww w.ja  v  a2  s.co  m*/
    HttpURLConnection conn = null;
    try {
        if (System.currentTimeMillis() > waitUntil) {
            url = new URL(restURL);

            conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("GET");
            conn.setRequestProperty("Accept", "application/json");

            BufferedReader in = new BufferedReader(new InputStreamReader((conn.getInputStream())));

            String jsonSrc = in.readLine();
            in.close();

            JSONObject jsonObject = new JSONObject(jsonSrc);
            ret = new HashMap<String, String>();

            for (int i = 0; i < key.length; i++) {
                Object atr = jsonObject.get(key[i]);
                String value = "";
                if (atr instanceof JSONArray) {
                    JSONArray array = ((JSONArray) atr);
                    for (int j = 0; j < array.length(); j++) {
                        value += array.getString(j);
                    }
                } else {
                    value = atr.toString();
                }
                if (value.isEmpty()) {
                    value = "No " + key[i] + " found";
                }
                ret.put(key[i], value);
            }
        } else {
            log.warn("Waiting the bioportal server");
        }

    } catch (MalformedURLException mue) {
        mue.printStackTrace();
    } catch (IOException ioe) {
        //wait for 1 minute
        waitUntil = System.currentTimeMillis() + (1000 * 60);

        log.error(ioe.getMessage());
    } catch (JSONException e) {
        e.printStackTrace();
    }
    return ret;
}